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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<script>

var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
   browserType= "gecko"
}

function hide() {
  if (browserType == "gecko" )
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  else if (browserType == "ie")
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        eval('document.getElementById("realtooltip")');
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     document.poppedLayer =   
        eval('document.layers["realtooltip"]');
  document.poppedLayer.style.visibility = "hidden";
}

function show() {
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         eval('document.getElementById("realtooltip")');
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     document.poppedLayer = 
        eval('document.getElementById("realtooltip")');
  else
     document.poppedLayer = 
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  document.poppedLayer.style.visibility = "visible";
}

</script>

<form>
<input type=button onClick="hide()" value="hide">
<input type=button onClick="show()" value="show">

</form>
<div id="realtooltip"  style="visibility: visible">
<big>Real's HowTo</big>
<layer></layer></div>
